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Last updated: October 1, 2015
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Nikola Nikolaev

Nikola Nikolaev

BI Analyst, Linux Expert


I'm a member of a small team. Most of the companies, especially those that do not have IT as a core business, do not utilize the full potential of its IT staff. Our mission is to help business, by preventing it spend too much money on internal IT services. We believe that the expertise and strong motivation are the keys to successful implementation of any technology at any scale. That is why we built a team of self-driven, self motivated experts, with outstanding professional track. Main activities of the team are in the field of GNU/Linux, networking, system integration, software development and implementation in corporate organisations, business intelligence and business process management, financial management and accounting.

89% Job Success
$25.00 /hr
90 hours

Daniel Yavorovich

Daniel Yavorovich

System Administrator

Ukraine - Portfolio: 1

Operating Systems ● FreeBSD ● Linux Security ● iptables ● openssl ● jail ● clamav ● mod_security ● mod_clamav DNS ● Bind ● PowerDNS (+PostgreSQL / +MySQL) HTTP ● Apache ○ MPM: prefork, worker ○ mod_ssl, mod_php, mod_wsgi ● Nginx ○ Access control ○ Autoindex ○ Fast-CGI ○ uWSGI ○ Proxy ○ Cache ○ SSL ○ upload_progress_module ○ Control panel integration ■ Virtualmin ■ DirectAdmin ■ Plesk Proxy ● squid ○ basic auth ○ transparent proxy ○ cache ● 3proxy ○ http/socks ○ auth Raid ● Linux ○ md(0,1,5,6,10) ● FreeBSD ○ Gmirror / Striping File Systems: ● Ext 2,3,4 ● ReiserFS ● XFS ● OCFS2 ● ZFS (port to FreeBSD) ● CEPH CVS ● SVN ● Mercurial ● GIT ○ GitLab ○ GitoLite Backup ● rsync ● BackupPC ● Bacula FTP ● ProFTPd ● VSFTPD File sharing ● NFS ● SAMBA Control Panel ● Direct Admin ● Webmin+Virtualmin ● CPanel ● ISP-config ● Plesk Automatization ● Puppet ● Saltstack Monitoring ● Zabbix ● Nagios ● Munin ● Monit Network Understanding of theoretical and practical foundations of the networks (Data link, Network, Transport, Application Layers). VPN ● OpenVPN ● PPTP Database (SQL) ● MySQL (+MariaDB, +Percona) ● PostgreSQL Database (NoSQL) ● ElasticSearch ● Riak ● MongoDB ● Cassandra ● Redis Virtualization & Containerization ● KVM ● XEN ● OpenVZ ● LXC ● Docker ● Vagrant Cluster ● DRBD ○ master-slave ○ master-master (+ocfs2) ● Heartbeat ● Pacemaker Development ● actively use: ○ shell (bash, sh) ○ Python ● Frameworks ○ Django ○ Flask ○ Twisted ○ Tornado Cloud Solutions: ● AWS (EC2, S3, CloudFront, Route53) ● DigitalOcean ● RackSpace

100% Job Success
$33.33 /hr
46 hours

Denis Lemeshko

Denis Lemeshko

Unix Administrator


I have large experience in: * Linux/FreeBSD maintaince/troubleshooting (RHEL, Centos, Debian, Ubuntu), * Networking (dhcp, DNS:bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), * Web servers (apache, nginx, lighttpd), * Mail servers (exim, postfix, antispam/ antivirus: clamav/spamassassin, dovecot), * Bulk marketing (Dkim, spf, high speed/inboxing, interspire), * Automation (perl/shell/awk scripting), * Monitoring (nagios, zabbix), * Hosting panels (ISPmanager).

$11.11 /hr
0 hours

Giorgi Javakhidze

Giorgi Javakhidze

MCITP | Vmware | Windows - Linux Systems Administrator

Georgia - Tests: 6

In the last 3 years, I have administered many IT networks, managing over 1000+ users. My core competency lies in complete managing of windows - linux based networks, including Active Directory, Exchange, MS-SQL, virtual clouds, based on VMware / Hyper-V and EVA Storage Area Network. I have deep experience in the following software solutions: Basic server services ( DNS, DHCP, WSUS, Vpn, etc. ) Windows 2003/2008 Server Windows 2003/2008 Active Directory Lync Server, Exchange Server, SharePoint Server. Monitoring: SCOM, Nagios Web Server: IIS, Apache Mail Servers : MDaemon, Postfix. Database: MSSQL, MySQL. Proxy / firewall solutions ( Squid, TMG, ISA ) VMware vShere and vCloud: ESXi, vCenter, vCloud Director, vShield

$15.00 /hr
183 hours

Jayson Cena

Jayson Cena Agency Contractor

Linux(Debian/Red Hat),Oracle DBA, Linux Cluster Admin,Virtualization-H

Philippines - Tests: 4

To obtain a position that will enable me to experience and learn new ideas on system administration like complicated enterprise infrastructure design specially high-availability and fault-tolerant infrastructres. My core competency lies in designing new system infrastructure using open-source software. I also have some experience in VB6, ASP, PHP.

Associated with: ClusterFoundry Agency

$26.67 /hr
1,137 hours

Roman Gorshunov

Roman Gorshunov

UNIX/Linux Systems Administrator

Slovakia - Tests: 3

I'm just starting my career on oDesk, that is why price per hour is so low. === Be the first to hire me! === What I would like to do as a freelancer at oDesk: - Provide Operating systems environment support for Application/DB services teams - Automate routine tasks - machines should work, people should think - Reviewed and implemented High/Low level designs - Package Applications with RPM and automated OS installation/setup Projects I have been participating in which am I proud of: - Completed design and deployed four high availability clusters for Oracle databases and applications on Red Hat Enterprise Linux; wrote work instructions and trained services support specialists - Completed design and implementation for IBM AIX cluster based on p740, AIX 6.1 and PowerHA - Run a storage migration project, migrated Terabytes of data from old to the new Storage system without applications downtime

$14.44 /hr
8 hours

Taeseer Ch

Taeseer Ch

cPanel, Parallel, SolusVM, OpenVZ, Linux/Windows, Sharepoint, Exchange

Pakistan - Tests: 1 - Portfolio: 11

6 Years to experience in Linux/Windows Server Administration. My hands own experience includes: cPanel Parallel Plesk Panel OpenVZ Website Panel SolusVM XEN Spam Experts Spam Control Expert CudaMail Apache LAMP MySQL MS SQL Server Softaculous Cloud Flare Simlink Prevention Application Firewall DNS Management Active Directory Migration MS SQL Database Migration Linux/Windows IT Support Virtualization(Xen, OpenVZ, SolusVM, Hyper-V) SharePoint Administrator MS Exchange Qmail Mail Enable MySQL Clustering SSL As a professional I believe in quality of work rather then quantity, and try my best to satisfy client/customer.

$12.00 /hr
0 hours

Ahmed AbdElmaqsoud

Ahmed AbdElmaqsoud

Linux System Administrator, Streaming Expert

Egypt - Portfolio: 2

I am experienced in: • Linux Server Management. • PHP Web Development. • Search Engines’ Optimization (SEO). Personal Statement: I am a self-motivated character, ambitious, hard worker and time manager. Personal Skills: · Good communication skills. · Able to work accurately and neatly. · Good organizational skills. · Able to work with minimum supervision. · Able to communicate information accurately. · Can work under pressure and meet deadlines.

100% Job Success
$35.00 /hr
0 hours

Oubram Mohamed

Oubram Mohamed Agency Contractor

Asterisk/Elastix/Freepbx/VoIP/Chan Dongle/Raspberry/Network specialist

Morocco - Tests: 3 - Portfolio: 2

i am a VoIP specialist dealing with Asterisk and voip billing Asterisk based servers: Freepbx Elastix A2billing and Kamailio. i have collected much experience in installing and configuring VoIP servers and giving support for costumers during my last job position at Voipmaroc and Nogafone. during my last jobs i was charged to deploy a voip call center based on Elastix for DYARelmansour , a construction company leader in Morocco , and a call center ViciDial for EIGENVALUE based in Morocco and for many end user of IPBX appliances and customized IPbx installations based on asterisk. I have setup many Asterisk servers for many customers in Freelancing and Deployed many Gsmgateways and Asterisk based Gsmgateways. I have also installed and deployed Raspberry and Huawei Dongles as Cheap Gsmgateways . besides , i have Also setup some complex VoIP topologies for call Routing and Terminations via VPN . my diplomat at network engineering and Centos Linux experience helped me to devolope my skills in VoIP. i am ready to serve.

Associated with: BRAMZ, BlueGoose Tech

88% Job Success
$21.11 /hr
232 hours